Influence of blade number on flow-induced noise of centrifugal pump based on CFD/CA

Wang, Yuqin; Ze-Wen, Ding

doi:10.1016/j.vacuum.2019.109058

Cited by 43 publications

(9 citation statements)

References 9 publications

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“…However, their work was aimed at low specific speed submersible pumps. Yu-Qin and Ze-Wen [24] studied how different blade numbers influenced the flow-induced noise of the centrifugal pump based on the idea of acousticvibration coupling. ey found that the 6-blade model pump was the optimal value.…”

Section: Introductionmentioning

confidence: 99%

Influence of Blade Profiles on Plastic Centrifugal Pump Performance

Zhang

Tang

Zhao

2020

Advances in Materials Science and Engineering

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To study the influence of blade profiles of the plastic centrifugal pump on pump performance, the impeller blade profiles were designed and drawn by the single arc method, double arc method, logarithmic spiral method, and B-spline curve method, respectively, with the known structural parameters.The shape and size of four profiles were drawn, and two-dimensional models and three-dimensional models of four impellers and volute were completed, respectively. The impeller models were printed by 3D printing technology, and the performance experiments of the plastic centrifugal pump were carried out. The numerical simulation of the internal flow field was performed. From the contours of the velocity and pressure, the vapor volume fraction distribution, and fluid-structure interaction analysis of impellers, the impeller drawn by the logarithmic spiral method was better than others. The optimization of the logarithmic spiral method was completed. The impeller inlet and outlet diameters (D1 and D2) and impeller inlet and outlet installation angles (β1 and β2) were taken as control variables, and the total power loss and the minimum NPSHr of the pump were taken as the objective functions. The optimization results were that D1 = 58 mm and D2 = 162 mm and β1 = 17° and β2 = 31°. The hydraulic efficiency was increased by 1.68%.

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Section: Introductionmentioning

confidence: 99%

Influence of Blade Profiles on Plastic Centrifugal Pump Performance

Zhang

Tang

Zhao

2020

Advances in Materials Science and Engineering

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“…Transmisi gaya longitudinal terutama dikendalikan oleh elastisitas baling-baling dan kekakuan longitudinal bantalan dorong, sedangkan frekuensi dan besarnya gaya transversal terutama dikendalikan oleh mode lentur poros dan elastisitas sistem, masing-masing [9]. Untuk mempelajari pengaruh jumlah sudu pada kebisingan yang diinduksi aliran dari pompa sentrifugal, metode komputasi berdasarkan kombinasi dinamika fluida komputasi dan akustik komputasi diusulkan untuk menghitung medan akustik pompa sentrifugal secara numerik [10]. Kontribusi ilmiah dari penelitian ini adalah memberikan informasi putaran pompa yang aman terhadap manusia dan bangunan.…”

Section: Landasan Teori Pengujian Getaran Mesinunclassified

Pengaruh Putaran Poros Pada Pompa Sentrifugal Yang Disusun Paralel Terhadap Karakteristik Vibrasi

Sianturi

Naibaho

2022

JTM

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Pompa merupakan alat yang digunakan untuk mempercepat aliran fluida ketempat yang diperlukan. Pengaruh putaran pada pompa sangat memperngaruhi kecepatan laju aliran menghantarkan fluida tersebut ataupun melakukan daya hisap (suction). Metode penelitian ini dilakukan dengan memvariasi kecepatan putar pada pompa untuk mengetahui getaran yang terjadi akibat variasi putaran tersebut dari sis arah horizontal dan vertical. Hasil penelitian yang telah dilakukan, diperoleh beberapa hasil yang merupakan jawaban dari tujuan penelitian ini . Hasil penelitian yang dilaksanakan dapat disimpulkan sebagai berikut :Dari kedua posisi pengukuran diatas dapat disimpulkan bahwa hasil respon getaran maksimum yang paling rendah terdapat pada pompa di titik P-04 pada n = 500 rpm dengan harga simpangan 0,75 x 10-6 m arah horizontal sedangkan yang paling tinggi terdapat pada pompa dititik P-01 pada n = 500 rpm dengan harga simpangan 1,85x 10-6 m arah horizontal.Dari hasil pengukuran respon getaran yang diukur pada pompa, elektromtor , landasan dapat disimpulkan bahwa simpangan terbesar terjadi pada pompa di titik P-01 dengan harga simpangan 1,85 x 10-6 m arah horizontal, diikuti elektromotor di titik P-05 dengan harga simpangan 1,77 x 10-6 m arah vertikal kemudian landasan di titik P-06 dengan harga simpangan 1,66 x 10-6 m arah vertikal. Dari standart ISO 10816-3 untuk velocirty pada pompa dengan harga tertinggi vertikal 4,56 m/s di titk P-05 dikategorikan pada zona C berwarna kuning, getaran dari mesin dalam batas toleransi dan hanya dioperasikan dalam waktu terbatas, untuk arah horizontal harga tertinggi 4,37 m/s dititik P-02 dikategorikan pada zona B berwarna hijau muda, getaran dari mesin baik dan dapat dioperasikan tanpa larangan.

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“…The nature of the hydrodynamic forces is determined by the interaction of the impeller-volute. Since the flow at the impeller-volute interface is non-stationary, the resulting forces also have a pulsating character, as a result of which the spreading vibrations are accompanied by acoustic phenomena [10], [5]. Hydrodynamic pumps are machines that have undergone a rather intensive development over the last hundred years and exist in dozens of basic designs, differing in impeller type, distributor type, number of stages, number of blades, etc.…”

Section: Introductionmentioning

confidence: 99%

Radial Force Loads on the Impeller of a Spiral Casing Pump – Comparison of Experiment and CFD Simulation

et al. 2022

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Computational fluid dynamics (CFD) is becoming a widely used tool in the industrial fields. Experimental methods are expensive and time-consuming and CFD is a suitable substitute. In order to investigate the accuracy between the two methods, the radial force on a 6-bladed impeller was measured. The results reveal that the steady-steady analysis method fails, and higher accuracy is achieved using transient simulation. Fairly good accuracy is achieved when simulating the power parameters, where it is sufficient to use the steady-state method as well to save time. On the other hand, for force load detection, where the magnitude of the radial force varies with the position of the impeller, the transient method should be used. The distribution of the non-stationary radial force vectors is symmetric around the origin and lies mainly in 6 regions, which are the same as the number of impeller blades.

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Influence of blade number on flow-induced noise of centrifugal pump based on CFD/CA

Cited by 43 publications

References 9 publications

Influence of Blade Profiles on Plastic Centrifugal Pump Performance

Influence of Blade Profiles on Plastic Centrifugal Pump Performance

Pengaruh Putaran Poros Pada Pompa Sentrifugal Yang Disusun Paralel Terhadap Karakteristik Vibrasi

Radial Force Loads on the Impeller of a Spiral Casing Pump – Comparison of Experiment and CFD Simulation

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